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Ethyl 2,3-dioxoindoline-6-carboxylate

Ethyl 2-cyano-2-(3-methylpyridin-2-yl)acetate

Ethyl 2-cyano-2-(5-(trifluoromethyl)pyridin-2-yl)acetate

Ethyl 2-cyano-2-(6-methylpyridin-2-yl)acetate

Ethyl 2-ethoxy-2-hydroxyacetate

Ethyl 2-hydroxy-3,3-diphenylpropanoate

Ethyl 3-(2-ethoxy-2-oxoethylamino)-3-oxopropanoate

Ethyl 3-(2-furyl)acrylate

Ethyl 3-(4-aminopyridin-3-yl)benzoate

Ethyl 3-(cyanomethyl)picolinate